Found it!!!

Do a search for 4V..............
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Subject Installed in the 99 M3!
Posted by Elite M3
Posted on Mon Nov 1 17:29:16 1999
From IP 216.32.176.227


I successfully integrated the factory deck/CD changer with the EMPEG. The EMPEG was installed into the glovebox, and the factory deck is going into it. I had to change the jumper from 1V input to 4V, but it works great. I had to install the A/D/S/ P840.2 8 channel amp to run the factory HK speakers, and it sounds better than stock. I do however still have the speaker pop when turning off the car, and when I install the included grounded RCA the system doesn't sound right. So I am going to have to find a different way of taking care of that problem. But other than that, it sounds great. If anyone has any questions, you can privately email me as well.

Thanks Hugo for such a remarkable product.

-Jason